Clean Freak

Overview
A killer janitor goes on a cleaning spree during a security training event at a warehouse on halloween.
Similar
Psycho (1960)
My Boss is a Serial Killer (2021)
Child's Play 2 (1990)
Seed of Chucky (2004)
Freddy's Dead: The Final Nightmare (1991)
Halloween 5: The Revenge of Michael Myers (1989)
The Pool (2001)
Cleaver: Rise of the Killer Clown (2015)
Stream (2024)
Cut (2000)
Friday the 13th Part VI: Jason Lives (1986)
Friday the 13th Part VII: The New Blood (1988)
Friday the 13th Part VIII: Jason Takes Manhattan (1989)
Jason Goes to Hell: The Final Friday (1993)
Urban Legends: Bloody Mary (2005)
Black Christmas (2006)
Uncle Sam (1996)
Friday the 13th Part 2 (1981)
Friday the 13th Part III (1982)
Friday the 13th: The Final Chapter (1984)